LEAB PP 48-12/29 Manuale utente
www.leab.eu
ASSEMBLY INSTRUCTIONS
VERSION 2
12/07/2021
DC-DC CONVERTER
PP 48-12/29
LEAB Automotive GmbH Thorshammer 6 24866 Busdorf
Table of Contents
1 About this Manual................................................................................................................ 3
2 General Safety........................................................................................................................ 4
2.1 Intended Use............................................................................................................... 5
3 About this Product............................................................................................................... 5
4 Technical Specifications.................................................................................................... 7
5 Assembly.................................................................................................................................. 7
6 Disposal.................................................................................................................................... 8
7 EU Declaration of Conformity.......................................................................................... 8
Table of Contents LEAB Automotive GmbH
1 About this Manual
Read this manual carefully and keep it in a safe place. This manual is aimed at
Skilled workers in the field of automotive electrics .
Any modifications to the product or its components are prohibited and do not
conform to its intended use. Only use original LEAB or LEAB-approved ac-
cessories.
Throughout the manual, you will be alerted to warnings and safety notices
about potential hazards associated with handling the device. The colours and
signal words indicate the severity of the hazard:
Notice
Possibility of material damage
The signal word
Attention
indicates that there is a possibility of
material damage. To avoid material damage, follow the
instruction.
CAUTION
Danger that can lead to minor injuries
Safety instructions with the signal word
CAUTION
indicate a
hazard which, if not avoided, can result in minor or moderate
injury. Read the safety instructions carefully and follow them to
avoid the hazard.
WARNING
Hazards that can lead to severe injuries or death
Safety instructions with the signal word
WARNING
indicate a
hazard which, if not avoided, can result in death or severe injury.
Read the safety instructions carefully and follow them to avoid
the hazard.
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LEAB Automotive GmbH 1 About this Manual
DANGER
Danger that will lead to severe injury or death
Safety instructions with the signal word
Danger
indicate a hazard
which, if not avoided, will result in death or severe injury. Read
the safety instructions carefully and follow them to avoid the
hazard.
You will find useful tips and tricks in certain parts of the manual. These ap-
pear as follows:
TIP
Tips provides additional, useful information.
Read the tip carefully and follow the instructions where
applicable.
2 General Safety
This manual will help you to handle the device safely. Use the device solely in
accordance with its intended use. Observe the safety instructions.
WARNING
Severe build-up of heat
Continuous load, high ambient temperatures and faulty assembly
lead to strong heat development.
1. Only install the device as described in this guide.
2. Ensure sufficient ventilation at the installation site.
3. Allow the unit to cool down before touching it.
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2 General Safety LEAB Automotive GmbH
2.1 Intended Use
With the DC-DC converter PP 48-12/29 you can operate 48V consumer in 12V
vehicles.
At the output, the system delivers a DC voltage of 13.5 V and thereby provides
consumers with a maximum output current of 29 A permanently or for a short
time. The input voltage is 48 V.
The device is designed for an operating temperature of -40°C … 70°C .
A reduced output power is generated from an operating temperature of 50°C.
The unit has a connection cable for an external switch that can be used to
switch the DC-DC converter on and off.
3 About this Product
Fig.1:
DC-DC converter PP
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LEAB Automotive GmbH 3 About this Product
Fig.2:
DC-DC converter PP connection cables
Fig.3:
DC-DC converter PP scale drawing in mm
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3 About this Product LEAB Automotive GmbH
4 Technical Specifications
Part no. 1042004368
Modell LEAB DC-DC converter PP 48-12/29
Input voltage 48 V (36 V ... 65 V)
Output voltage 13.5 V
Output current, max. 29 A, reduced output power from oper-
ating temperature of 50 °C
Input current, max. 12 A
Power 400 W
Galvanically separated Yes
Standby current, max. < 5 mA
Degree of efficiency > 96%
Operating temperature -40 °C ... +70 °C
International Protection (IP class) IP67
Housing Aluminium
Dimensions (L x W x H) 150 mm x 93 mm x 31 mm
Weight 820 g
Connection, input 2x2.5 mm², 0.5 m, open cable end
Connection, output 2x6 mm², 0.5 m, open cable end
External switch Yes
Heat sink temperature, max. 100°C
5 Assembly
To assemble the DC-DC converter, proceed as follows:
1. Mount the device near the vehicle battery.
NOTE!To dissipate heat from the unit, mount it on a metal base.
2. Disconnect all batteries from the on-board power supply.
3. Connect the black input lead (input -) to the negative terminal of the vehicle
battery.
CAUTION!Do not connect to the vehicle chassis.
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LEAB Automotive GmbH 5 Assembly
4. Connect the red input lead (Input+) to the positive terminal of the vehicle
battery.
CAUTION!Install a suitable fuse (70 A) near the vehicle battery.
5. Connect the red output lead (Output +) to the positive terminal of the con-
sumers.
NOTE!When the unit is active, consumers at the output permanently load
the vehicle battery. LEAB recommends an undervoltage protection for the bat-
tery.
6. Connect all batteries again to the on-board power supply.
7. To switch on the device, apply a voltage (9V ... 36 V) to the green switching
line (On/Off).
ðThe DC-DC converter is assembled. All consumers are supplied as long as an
input voltage in the specified range is present.
6 Disposal
Dispose of the device in accordance with the Waste Elec-
trical and Electronic Equipment Regulations (WEEE).
The system must not be disposed of with household
waste. Take it to a recycling point or return it to your
point of sale.
7 EU Declaration of Conformity
The DC-DC converter PP 48-12/29 complies with the re-
quirements of the following directives:
– 2014/30/EU: EMV
– 2011/65/EU: RoHS
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7 EU Declaration of Conformity LEAB Automotive GmbH
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LEAB Automotive GmbH 7 EU Declaration of Conformity
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7 EU Declaration of Conformity LEAB Automotive GmbH
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